A hazardous materials investigation in Daly City that forced closures of several BART stations Friday involved items tied to an explosion in San Francisco’s Sunset District, firefighters said.
The driver of a truck carrying evidence from the explosion pulled over near a BART track overcrossing in Daly City because he heard a hissing sound, San Francisco Fire Department Capt. Jonathan Baxter said.
The driver called 911 after seeing one of the items being transported started to leak, sparking a hazardous materials investigation and the evacuation of the Daly City BART station.
BART’s Balboa Park, Daly City and Colma stations were shut down during the investigation and reopened later in